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Hairspringby J.PeterTags: Daytona, GMT, hairspring, milguass, parachrom, Rolex, watches, watchmaking
节选 : The following is from a Rolex communication titled Parachrom Hairspring dated 08/12/06 given to representatives at a factory tour in Geneva: ROLEX has developed and patented a new hairspring called PARACHROM. This hairspring is made of a niobium, zirconium and oxygen alloy. It has been used for the Cosmograph Daytona starting from 2000. In 2005 a blue-coloured version was introduced for the new GMT Master II and the Cosmograph Daytona. It has an even better performance as regards to long-term stability. This blue version has also been patented. The parachrom hairspring has been fitted into: All Daytona’s since 2000 (4130 caliber). New versions of the GMT Master II (released in Gold 2005, Rolesor 2006, Steel 2007 Milgauss (2007) Deep Sea Sea Dweller (2008) Day Date II (2008) Gold Submariner with ceramic bezel (2008) |
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